Description
The Knowledge Base plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin slug setting in all versions up to, and including, 2.3.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level access, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
Question to Ask Vendors:
- Can you confirm whether your systems are affected by CVE-2025-7431, and if so, what steps are you currently taking to mitigate this vulnerability?
- What is your estimated timeline for fully resolving CVE-2025-7431 in your products or services, and how will you communicate updates on this issue to us as your customer?
Recommended Actions:
- Check out the advisory links provided below.
References:
- http://webappsec.pbworks.com/Cross-Site+Scripting
- https://capec.mitre.org/data/definitions/209.html
- https://capec.mitre.org/data/definitions/588.html
- https://capec.mitre.org/data/definitions/591.html
- https://capec.mitre.org/data/definitions/592.html
- https://capec.mitre.org/data/definitions/63.html
- https://capec.mitre.org/data/definitions/85.html
- https://nvd.nist.gov/vuln/detail/CVE-2025-7431